Although the world is relatively peaceful these days, it’s easy to see how violent the last few centuries have been. Even in North America you can find government bunkers and abandoned missile silos that were constructed during World War II. In Europe, the number of underground bunkers is hard to imagine. From Switzerland to Paris, the entire continent is filled with the remains of war. These are 25 Unbelievable Abandoned Missile Silos And Nuclear Bunkers.